Heat exchanger panel



FIG. 1 is a front view of a heat exchanger panel showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a top, right perspective view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a bottom, left perspective view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a left side view thereof; and,

FIG. 8 is a right side view thereof. 

The ornamental design for a heat exchanger panel, as shown and described. 